Home / 119,700.11-165,139.89-68,694.41

Finding the Fourth Proportional to 119,700.11, 165,139.89 and 68,694.41

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Solution

The fourth proportional to 119,700.11, 165,139.89 and 68,694.41 is: 94,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,700.11 : 165,139.89 = 68,694.41 : x
  2. Step 2: Convert to fraction form
    119,700.11/165,139.89 = 68,694.41/x
  3. Step 3: Cross multiply
    119,700.11x = 165,139.89 × 68,694.41
  4. Step 4: Simplify right side
    119,700.11x = 11,344,187,311.01
  5. Step 5: Solve for x
    x = 11,344,187,311.01/119,700.11
  6. Step 6: Final answer
    x = 94,771.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.